37 lines
931 B
C
37 lines
931 B
C
// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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#include <openssl/asn1.h>
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#include <limits.h>
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#include <openssl/bio.h>
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#include <openssl/err.h>
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#include <openssl/mem.h>
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void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x) {
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uint8_t *data;
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size_t len;
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// Historically, this function did not impose a limit in OpenSSL and is used
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// to read CRLs, so we leave this without an external bound.
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if (!BIO_read_asn1(in, &data, &len, INT_MAX)) {
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return NULL;
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}
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const uint8_t *ptr = data;
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void *ret = ASN1_item_d2i(x, &ptr, len, it);
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OPENSSL_free(data);
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return ret;
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}
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void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x) {
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BIO *b = BIO_new_fp(in, BIO_NOCLOSE);
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if (b == NULL) {
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OPENSSL_PUT_ERROR(ASN1, ERR_R_BUF_LIB);
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return NULL;
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}
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void *ret = ASN1_item_d2i_bio(it, b, x);
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BIO_free(b);
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return ret;
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}
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